aboutsummaryrefslogtreecommitdiff
path: root/gbp/scripts/buildpackage_rpm.py
blob: 889a863e47d50d00937ca18684f525970285fc27 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
# vim: set fileencoding=utf-8 :
#
# (C) 2006-2011,2015-2017 Guido G√ľnther <agx@sigxcpu.org>
# (C) 2012-2015 Intel Corporation <markus.lehtonen@linux.intel.com>
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, please see
#    <http://www.gnu.org/licenses/>
#
"""Build an RPM package out of a Git repository"""

import os
import pipes
import shutil
import sys

import gbp.log
import gbp.notifications
import gbp.rpm as rpm
from gbp.command_wrappers import Command, RunAtCommand, CommandExecFailed
from gbp.config import GbpOptionParserRpm, GbpOptionGroup
from gbp.errors import GbpError
from gbp.format import format_str
from gbp.pkg import compressor_opts
from gbp.rpm.git import GitRepositoryError, RpmGitRepository
from gbp.rpm.policy import RpmPkgPolicy
from gbp.tmpfile import init_tmpdir, del_tmpdir, tempfile
from gbp.scripts.common import ExitCodes
from gbp.scripts.common.buildpackage import (index_name, wc_name,
                                             git_archive_submodules,
                                             git_archive_single, dump_tree,
                                             write_wc, drop_index)
from gbp.scripts.pq_rpm import parse_spec


class GbpAutoGenerateError(GbpError):
    pass


def makedir(path):
    """Create directory"""
    try:
        if not os.path.exists(path):
            os.makedirs(path)
    except OSError as err:
        raise GbpError("Cannot create dir %s: %s" % (path, err))
    return path


def git_archive(repo, spec, output_dir, treeish, prefix, comp_level,
                with_submodules):
    "Create a compressed orig tarball in output_dir using git_archive"
    comp_opts = ''
    if spec.orig_src['compression']:
        comp_opts = compressor_opts[spec.orig_src['compression']][0]

    output = os.path.join(output_dir, spec.orig_src['filename'])

    # Remove extra slashes from prefix, will be added by git_archive_x funcs
    prefix = prefix.strip('/')
    try:
        if repo.has_submodules(treeish) and with_submodules:
            repo.update_submodules()
            git_archive_submodules(repo, treeish, output, prefix,
                                   spec.orig_src['compression'],
                                   comp_level, comp_opts,
                                   spec.orig_src['archive_fmt'])

        else:
            git_archive_single(treeish, output, prefix,
                               spec.orig_src['compression'], comp_level,
                               comp_opts, spec.orig_src['archive_fmt'])
    except (GitRepositoryError, CommandExecFailed) as e:
        gbp.log.err("Error generating submodules' archives: %s" % e)
        return False
    return True


def prepare_upstream_tarball(repo, spec, options, output_dir):
    """Make sure we have an upstream tarball"""
    # look in tarball_dir first, if found force a symlink to it
    orig_file = spec.orig_src['filename']
    if options.tarball_dir:
        gbp.log.debug("Looking for orig tarball '%s' at '%s'" %
                      (orig_file, options.tarball_dir))
        if not RpmPkgPolicy.symlink_orig(orig_file, options.tarball_dir,
                                         output_dir, force=True):
            gbp.log.info("Orig tarball '%s' not found at '%s'" %
                         (orig_file, options.tarball_dir))
        else:
            gbp.log.info("Orig tarball '%s' found at '%s'" %
                         (orig_file, options.tarball_dir))

    # build an orig unless the user forbids it, always build (and overwrite
    # pre-existing) if user forces it
    if options.force_create or (not options.no_create_orig and not
                                RpmPkgPolicy.has_orig(orig_file, output_dir)):
        if not pristine_tar_build_orig(repo, orig_file, output_dir, options):
            upstream_tree = git_archive_build_orig(repo, spec, output_dir,
                                                   options)
            if options.pristine_tar_commit:
                if repo.pristine_tar.has_commit(orig_file):
                    gbp.log.debug("%s already on pristine tar branch" %
                                  orig_file)
                else:
                    archive = os.path.join(output_dir, orig_file)
                    gbp.log.debug("Adding %s to pristine-tar branch" %
                                  archive)
                    repo.pristine_tar.commit(archive, upstream_tree)


def pristine_tar_build_orig(repo, orig_file, output_dir, options):
    """Build orig using pristine-tar"""
    if options.pristine_tar:
        if not repo.has_branch(repo.pristine_tar_branch):
            gbp.log.warn('Pristine-tar branch "%s" not found' %
                         repo.pristine_tar.branch)
        try:
            repo.pristine_tar.checkout(os.path.join(output_dir, orig_file))
            return True
        except CommandExecFailed:
            if options.pristine_tar_commit:
                gbp.log.debug("pristine-tar checkout failed, "
                              "will commit tarball due to "
                              "'--pristine-tar-commit'")
            elif not options.force_create:
                raise
    return False


def get_upstream_tree(repo, version, options):
    """Determine the upstream tree from the given options"""
    if options.upstream_tree.upper() == 'TAG':
        tag_str_fields = {'upstreamversion': version,
                          'version': version}
        upstream_tree = repo.version_to_tag(options.upstream_tag,
                                            tag_str_fields)
    elif options.upstream_tree.upper() == 'BRANCH':
        if not repo.has_branch(options.upstream_branch):
            raise GbpError("%s is not a valid branch" % options.upstream_branch)
        upstream_tree = options.upstream_branch
    else:
        upstream_tree = get_tree(repo, options.upstream_tree)
    if not repo.has_treeish(upstream_tree):
        raise GbpError('Invalid upstream treeish %s' % upstream_tree)
    return upstream_tree


def get_tree(repo, tree_name):
    """
    Get/create a tree-ish to be used for exporting and diffing. Accepts
    special keywords for git index and working copies.
    """
    try:
        if tree_name == index_name:
            # Write a tree of the index
            tree = repo.write_tree()
        elif tree_name == wc_name:
            # Write a tree of the working copy
            tree = write_wc(repo)
        else:
            tree = tree_name
    except GitRepositoryError as err:
        raise GbpError(err)
    if not repo.has_treeish(tree):
        raise GbpError('Invalid treeish object %s' % tree)

    return tree


def get_current_branch(repo):
    """Get the currently checked-out branch"""
    try:
        branch = repo.get_branch()
    except GitRepositoryError:
        branch = None
    return branch


def git_archive_build_orig(repo, spec, output_dir, options):
    """
    Build orig tarball using git-archive

    @param repo: our git repository
    @type repo: L{RpmGitRepository}
    @param spec: spec file of the package
    @type spec: L{SpecFile}
    @param output_dir: where to put the tarball
    @type output_dir: C{Str}
    @param options: the parsed options
    @type options: C{dict} of options
    @return: the tree we built the tarball from
    @rtype: C{str}
    """
    try:
        orig_prefix = spec.orig_src['prefix']
        upstream_tree = get_upstream_tree(repo, spec.upstreamversion, options)
        gbp.log.info("%s does not exist, creating from '%s'" %
                     (spec.orig_src['filename'], upstream_tree))
        if spec.orig_src['compression']:
            comp_level = int(options.comp_level) if options.comp_level != '' else None
            comp_level_msg = "' -%s'" % comp_level if comp_level is not None else ''
            gbp.log.debug("Building upstream source archive with compression "
                          "'%s -%s'" % (spec.orig_src['compression'],
                                        comp_level_msg))
        if not git_archive(repo, spec, output_dir, upstream_tree,
                           orig_prefix, comp_level,
                           options.with_submodules):
            raise GbpError("Cannot create upstream tarball at '%s'" %
                           output_dir)
    except (GitRepositoryError, GbpError) as err:
        raise GbpAutoGenerateError(str(err))
    return upstream_tree


def is_native(repo, options):
    """Determine whether a package is native or non-native"""
    if options.native.is_auto():
        if repo.has_branch(options.upstream_branch):
            return False
        # Check remotes, too
        for remote_branch in repo.get_remote_branches():
            remote, branch = remote_branch.split('/', 1)
            if branch == options.upstream_branch:
                gbp.log.debug("Found upstream branch '%s' from remote '%s'" %
                              (remote, branch))
                return False
        return True

    return options.native.is_on()


def setup_builder(options, builder_args):
    """Setup args and options for builder script"""
    if options.builder == 'rpmbuild':
        if len(builder_args) == 0:
            builder_args.append('-ba')
        builder_args.extend([
            '--define', "_topdir %s" % os.path.abspath(options.export_dir),
            '--define', "_specdir %%_topdir/%s" % options.export_specdir,
            '--define', "_sourcedir %%_topdir/%s" % options.export_sourcedir])


def packaging_tag_data(repo, commit, name, version, options):
    """Compose packaging tag name and msg"""
    version_dict = dict(version, version=rpm.compose_version_str(version))

    # Compose tag name and message
    tag_name_fields = dict(version_dict, vendor=options.vendor.lower())
    tag_name = repo.version_to_tag(options.packaging_tag, tag_name_fields)

    tag_msg = format_str(options.packaging_tag_msg,
                         dict(version_dict, pkg=name,
                              vendor=options.vendor))
    return (tag_name, tag_msg)


def setup_mock(options):
    """setup everything to use gbp-builder-mock"""
    if options.use_mock:
        options.builder = '/usr/share/git-buildpackage/gbp-builder-mock'
        options.cleaner = '/bin/true'
        os.environ['GBP_BUILDER_MOCK_DIST'] = options.mock_dist
        if options.mock_arch:
            os.environ['GBP_BUILDER_MOCK_ARCH'] = options.mock_arch
        if options.mock_root:
            os.environ['GBP_BUILDER_MOCK_ROOT'] = options.mock_root
        os.environ['GBP_BUILDER_MOCK_EXPORT_DIR'] = options.export_dir
        if options.mock_options:
            os.environ['GBP_BUILDER_MOCK_OPTIONS'] = options.mock_options


def create_packaging_tag(repo, commit, name, version, options):
    """Create a packaging/release Git tag"""
    tag_name, tag_msg = packaging_tag_data(repo, commit, name, version, options)

    if options.retag and repo.has_tag(tag_name):
        repo.delete_tag(tag_name)
    repo.create_tag(name=tag_name, msg=tag_msg, sign=options.sign_tags,
                    keyid=options.keyid, commit=commit)
    return tag_name


def disable_hooks(options):
    """Disable all hooks (except for builder)"""
    for hook in ['cleaner', 'postexport', 'prebuild', 'postbuild', 'posttag']:
        if getattr(options, hook):
            gbp.log.info("Disabling '%s' hook" % hook)
            setattr(options, hook, '')


def build_parser(name, prefix=None, git_treeish=None):
    """Construct config/option parser"""
    try:
        parser = GbpOptionParserRpm(command=os.path.basename(name),
                                    prefix=prefix)
    except GbpError as err:
        gbp.log.err(err)
        return None

    tag_group = GbpOptionGroup(parser, "tag options",
                               "options related to git tag creation")
    branch_group = GbpOptionGroup(parser, "branch options",
                                  "branch layout options")
    cmd_group = GbpOptionGroup(parser, "external command options",
                               "how and when to invoke external commands and hooks")
    orig_group = GbpOptionGroup(parser, "orig tarball options",
                                "options related to the creation of the orig tarball")
    export_group = GbpOptionGroup(parser, "export build-tree options",
                                  "alternative build tree related options")
    parser.add_option_group(tag_group)
    parser.add_option_group(orig_group)
    parser.add_option_group(branch_group)
    parser.add_option_group(cmd_group)
    parser.add_option_group(export_group)

    parser.add_boolean_config_file_option(option_name="ignore-new",
                                          dest="ignore_new")
    parser.add_option("--git-verbose", action="store_true", dest="verbose",
                      default=False, help="verbose command execution")
    parser.add_config_file_option(option_name="tmp-dir", dest="tmp_dir")
    parser.add_config_file_option(option_name="color", dest="color",
                                  type='tristate')
    parser.add_config_file_option(option_name="color-scheme",
                                  dest="color_scheme")
    parser.add_config_file_option(option_name="notify", dest="notify",
                                  type='tristate')
    parser.add_config_file_option(option_name="vendor", action="store",
                                  dest="vendor")
    parser.add_config_file_option(option_name="native", dest="native",
                                  type='tristate')
    tag_group.add_option("--git-tag", action="store_true", dest="tag",
                         default=False,
                         help="create a tag after a successful build")
    tag_group.add_option("--git-tag-only", action="store_true", dest="tag_only",
                         default=False,
                         help="don't build, only tag and run the posttag hook")
    tag_group.add_option("--git-retag", action="store_true", dest="retag",
                         default=False, help="don't fail if the tag already exists")
    tag_group.add_boolean_config_file_option(option_name="sign-tags",
                                             dest="sign_tags")
    tag_group.add_config_file_option(option_name="keyid", dest="keyid")
    tag_group.add_config_file_option(option_name="packaging-tag",
                                     dest="packaging_tag")
    tag_group.add_config_file_option(option_name="packaging-tag-msg",
                                     dest="packaging_tag_msg")
    tag_group.add_config_file_option(option_name="upstream-tag",
                                     dest="upstream_tag")
    orig_group.add_config_file_option(option_name="upstream-tree",
                                      dest="upstream_tree")
    orig_group.add_boolean_config_file_option(option_name="pristine-tar",
                                              dest="pristine_tar")
    orig_group.add_boolean_config_file_option(option_name="pristine-tar-commit",
                                              dest="pristine_tar_commit")
    orig_group.add_config_file_option(option_name="force-create",
                                      dest="force_create", action="store_true",
                                      help="force creation of upstream source tarball")
    orig_group.add_config_file_option(option_name="no-create-orig",
                                      dest="no_create_orig", action="store_true",
                                      help="don't create upstream source tarball")
    orig_group.add_config_file_option(option_name="tarball-dir",
                                      dest="tarball_dir", type="path",
                                      help="location to look for external tarballs")
    orig_group.add_config_file_option(option_name="compression-level",
                                      dest="comp_level",
                                      help="Compression level, default is "
                                      "'%(compression-level)s'")
    branch_group.add_config_file_option(option_name="upstream-branch",
                                        dest="upstream_branch")
    branch_group.add_config_file_option(option_name="packaging-branch",
                                        dest="packaging_branch")
    branch_group.add_boolean_config_file_option(option_name="ignore-branch",
                                                dest="ignore_branch")
    branch_group.add_boolean_config_file_option(option_name="submodules",
                                                dest="with_submodules")
    cmd_group.add_config_file_option(option_name="builder", dest="builder",
                                     help="command to build the package, default is "
                                     "'%(builder)s'")
    cmd_group.add_config_file_option(option_name="cleaner", dest="cleaner",
                                     help="command to clean the working copy, default is "
                                     "'%(cleaner)s'")
    cmd_group.add_config_file_option(option_name="prebuild", dest="prebuild",
                                     help="command to run before a build, default is "
                                     "'%(prebuild)s'")
    cmd_group.add_config_file_option(option_name="postexport",
                                     dest="postexport",
                                     help="command to run after exporting the source tree, "
                                     "default is '%(postexport)s'")
    cmd_group.add_config_file_option(option_name="postbuild", dest="postbuild",
                                     help="hook run after a successful build, default is "
                                     "'%(postbuild)s'")
    cmd_group.add_config_file_option(option_name="posttag", dest="posttag",
                                     help="hook run after a successful tag operation, default "
                                     "is '%(posttag)s'")
    cmd_group.add_boolean_config_file_option(option_name="mock", dest="use_mock")
    cmd_group.add_config_file_option(option_name="dist", dest="mock_dist")
    cmd_group.add_config_file_option(option_name="arch", dest="mock_arch")
    cmd_group.add_config_file_option(option_name="mock-root", dest="mock_root")
    cmd_group.add_config_file_option(option_name="mock-options", dest="mock_options")
    cmd_group.add_boolean_config_file_option(option_name="hooks", dest="hooks")
    export_group.add_option("--git-no-build", action="store_true",
                            dest="no_build",
                            help="Don't run builder or the associated hooks")
    export_group.add_config_file_option(option_name="export-dir",
                                        dest="export_dir", type="path",
                                        help="Build topdir, also export the sources under "
                                        "EXPORT_DIR, default is '%(export-dir)s'")
    export_group.add_config_file_option(option_name="export-specdir",
                                        dest="export_specdir", type="path")
    export_group.add_config_file_option(option_name="export-sourcedir",
                                        dest="export_sourcedir", type="path")
    export_group.add_config_file_option("export", dest="export",
                                        metavar="TREEISH",
                                        help="export treeish object TREEISH, default is "
                                        "'%(export)s'")
    export_group.add_config_file_option(option_name="packaging-dir",
                                        dest="packaging_dir")
    export_group.add_config_file_option(option_name="spec-file",
                                        dest="spec_file")
    return parser


def parse_args(argv, prefix, git_treeish=None):
    """Parse config and command line arguments"""
    args = [arg for arg in argv[1:] if arg.find('--%s' % prefix) == 0]
    builder_args = [arg for arg in argv[1:] if arg.find('--%s' % prefix) == -1]

    # We handle these although they don't have a --git- prefix
    for arg in ["--help", "-h", "--version"]:
        if arg in builder_args:
            args.append(arg)

    parser = build_parser(argv[0], prefix=prefix, git_treeish=git_treeish)
    if not parser:
        return None, None, None
    options, args = parser.parse_args(args)

    gbp.log.setup(options.color, options.verbose, options.color_scheme)
    if not options.hooks:
        disable_hooks(options)
    if options.retag:
        if not options.tag and not options.tag_only:
            gbp.log.err("'--%sretag' needs either '--%stag' or '--%stag-only'" %
                        (prefix, prefix, prefix))
            return None, None, None

    return options, args, builder_args


def main(argv):
    """Entry point for gbp-buildpackage-rpm"""
    retval = 0
    prefix = "git-"
    spec = None

    options, gbp_args, builder_args = parse_args(argv, prefix)

    if not options:
        return ExitCodes.parse_error

    try:
        repo = RpmGitRepository(os.path.curdir)
    except GitRepositoryError:
        gbp.log.err("%s is not a git repository" % (os.path.abspath('.')))
        return 1

    # Determine tree-ish to be exported
    try:
        tree = get_tree(repo, options.export)
    except GbpError as err:
        gbp.log.err('Failed to determine export treeish: %s' % err)
        return 1
    # Re-parse config options with using the per-tree config file(s) from the
    # exported tree-ish
    options, gbp_args, builder_args = parse_args(argv, prefix, tree)

    branch = get_current_branch(repo)

    try:
        init_tmpdir(options.tmp_dir, prefix='buildpackage-rpm_')

        tree = get_tree(repo, options.export)
        spec = parse_spec(options, repo, treeish=tree)

        Command(options.cleaner, shell=True)()
        if not options.ignore_new:
            ret, out = repo.is_clean()
            if not ret:
                gbp.log.err("You have uncommitted changes in your source tree:")
                gbp.log.err(out)
                raise GbpError("Use --git-ignore-new to ignore.")

        if not options.ignore_new and not options.ignore_branch:
            if branch != options.packaging_branch:
                gbp.log.err("You are not on branch '%s' but on '%s'" %
                            (options.packaging_branch, branch))
                raise GbpError("Use --git-ignore-branch to ignore or "
                               "--git-packaging-branch to set the branch name.")

        # Dump from git to a temporary directory:
        packaging_tree = '%s:%s' % (tree, options.packaging_dir)
        dump_dir = tempfile.mkdtemp(prefix='packaging_')
        gbp.log.debug("Dumping packaging files to '%s'" % dump_dir)
        if not dump_tree(repo, dump_dir, packaging_tree, False, False):
            raise GbpError
        # Re-parse spec from dump dir to get version etc.
        spec = rpm.SpecFile(os.path.join(dump_dir, spec.specfile))

        if not options.tag_only:
            # Setup builder opts
            setup_builder(options, builder_args)
            if options.use_mock:
                setup_mock(options)

            # Prepare final export dirs
            export_dir = makedir(options.export_dir)
            source_dir = makedir(os.path.join(export_dir,
                                 options.export_sourcedir))
            spec_dir = makedir(os.path.join(export_dir, options.export_specdir))

            # Move packaging files to final export dir
            gbp.log.debug("Exporting packaging files from '%s' to '%s'" %
                          (dump_dir, export_dir))
            for fname in os.listdir(dump_dir):
                src = os.path.join(dump_dir, fname)
                if fname == spec.specfile:
                    dst = os.path.join(spec_dir, fname)
                else:
                    dst = os.path.join(source_dir, fname)
                try:
                    shutil.copy2(src, dst)
                except IOError as err:
                    raise GbpError("Error exporting packaging files: %s" % err)
            spec.specdir = os.path.abspath(spec_dir)

            # Get/build the orig tarball
            if is_native(repo, options):
                if spec.orig_src and not options.no_create_orig:
                    # Just build source archive from the exported tree
                    gbp.log.info("Creating (native) source archive %s from '%s'"
                                 % (spec.orig_src['filename'], tree))
                    comp_level = int(options.comp_level) if options.comp_level != '' else None
                    if spec.orig_src['compression']:
                        comp_level_msg = "' -%s'" % comp_level if comp_level is not None else ''
                        gbp.log.debug("Building source archive with "
                                      "compression '%s%s'" %
                                      (spec.orig_src['compression'],
                                       comp_level_msg))
                    orig_prefix = spec.orig_src['prefix']
                    if not git_archive(repo, spec, source_dir, tree,
                                       orig_prefix, comp_level,
                                       options.with_submodules):
                        raise GbpError("Cannot create source tarball at '%s'" %
                                       source_dir)
            # Non-native packages: create orig tarball from upstream
            elif spec.orig_src:
                prepare_upstream_tarball(repo, spec, options, source_dir)

            # Run postexport hook
            if options.postexport:
                RunAtCommand(options.postexport, shell=True,
                             extra_env={'GBP_GIT_DIR': repo.git_dir,
                                        'GBP_TMP_DIR': export_dir}
                             )(dir=export_dir)
            # Do actual build
            if not options.no_build and not options.tag_only:
                if options.prebuild:
                    RunAtCommand(options.prebuild, shell=True,
                                 extra_env={'GBP_GIT_DIR': repo.git_dir,
                                            'GBP_BUILD_DIR': export_dir}
                                 )(dir=export_dir)

                # Finally build the package:
                if options.builder.startswith("rpmbuild"):
                    builder_args.append(os.path.join(spec.specdir,
                                        spec.specfile))
                else:
                    builder_args.append(spec.specfile)
                RunAtCommand(options.builder,
                             [pipes.quote(arg) for arg in builder_args],
                             shell=True,
                             extra_env={'GBP_BUILD_DIR': export_dir}
                             )(dir=export_dir)
                if options.postbuild:
                    changes = os.path.abspath("%s/%s.changes" % (source_dir,
                                                                 spec.name))
                    gbp.log.debug("Looking for changes file %s" % changes)
                    Command(options.postbuild, shell=True,
                            extra_env={'GBP_CHANGES_FILE': changes,
                                       'GBP_BUILD_DIR': export_dir})()

        # Tag (note: tags the exported version)
        if options.tag or options.tag_only:
            gbp.log.info("Tagging %s" % rpm.compose_version_str(spec.version))
            tag = create_packaging_tag(repo, tree, spec.name, spec.version,
                                       options)
            if options.posttag:
                sha = repo.rev_parse("%s^{}" % tag)
                Command(options.posttag, shell=True,
                        extra_env={'GBP_TAG': tag,
                                   'GBP_BRANCH': branch,
                                   'GBP_SHA1': sha})()
    except KeyboardInterrupt:
        retval = 1
        gbp.log.err("Interrupted. Aborting.")
    except CommandExecFailed:
        retval = 1
    except GitRepositoryError as err:
        gbp.log.err("Git command failed: %s" % err)
        retval = 1
    except GbpAutoGenerateError as err:
        if len(err.__str__()):
            gbp.log.err(err)
        retval = 2
    except GbpError as err:
        if len(err.__str__()):
            gbp.log.err(err)
        retval = 1
    finally:
        drop_index()
        del_tmpdir()

    if not options.tag_only:
        if spec and options.notify:
            summary = "Gbp-rpm %s" % ["failed", "successful"][not retval]
            message = ("Build of %s %s %s" % (spec.name,
                                              rpm.compose_version_str(spec.version),
                                              ["failed", "succeeded"][not retval]))
            if not gbp.notifications.notify(summary, message, options.notify):
                gbp.log.err("Failed to send notification")
                retval = 1

    return retval


if __name__ == '__main__':
    sys.exit(main(sys.argv))